Clinton h



(No Model.)

0. H. LEGGETT.

' INSECT POWDER DISTRIBUTER.

INVENTOR: f;

Patented Jan. 2, 1894.

By his Attamqys, m aw IONAL LITMOGRAPHINQ OOU FANV- HINGTON D C UNTTEDSTATES PATENT @rrren.

CLINTON H.- LEGGETT, OF NEW YORK, N. Y.-

INSECT-POWDER DISTRIBUTER.

SPECIFICATION forming part of Letters Patent No. 511,781, dated January2, 1894.

I Application filed June 21,1893. Serial No. 478,328. (No model.)

To aZZ whom it may concern.-

Be it known that I, CLINTON H. LEGGETT, a citizen of the United States,residing in the city, county, and State of New York, have inventedcertain new and useful Improvements in Insect-Powder Distributers, ofwhich the following is a specification.

This invention relates to powder distributers of the class in which anair blast is used to take the powder from a reservoir and discharge itfrom a spout onto plants, trees or other things to which the powder isto be applied. Such distributors are shown in my United States PatentsNo. 376,600, dated J anuary 17, 1888, and No. 421,942, dated February25, 1890, upon whichmy present invention is most particularly animprovement.

This invention provides certain improvements in the box for the rotatoryfan and the adjacent shell of the machine, in the distributing spout forthe device,in the agitator and the valve for the powder reservoir and itprovides an improved protecting guard for the gearing of the fan andimproved means for adjusting the valve and preventing injury from thevalve rod.

In the accompanying drawings, which illustrate certain adaptations of myinvention, Figure 1 is a side elevation, the reservoir and dischargetube being in axial mid section, and the tube partly broken out, of apowder distributer constructed according to the preferred form of myinvention. Fig. 2 is a fragmentary plan view thereof. Fig. 3 is afragmentary transverse section thereof on the line 33. Fig. 4 is an endelevation of the preferred form of discharge spout. Fig. 5 is a verticalmid section of the fan shell and the adjacent frame of the machine. 7

Referring to the drawings I will now describe in detail the preferredform of my in vention as applied to a powder gun of the generalcharacter shown in my said patents.

The apparatus consists of a blower or fan A mountedin the shell B, andair duct 0, a delivery pipe D, a powder reservoir E, a valve F at bottomof said reservoir for controlling the discharge therefrom, a chamber Gbelow said valve and communicating with said tube D, an agitator Hwithin the reservoir, a spout I at the end of tube D, a train ofgearingJ for operating said blower, a handle K for operat ing saidgearing, and a connecting rod L between said gearing an d agitator foroperating the latter. As thus far described these parts in their generalfeatures have been heretofore used in powder distributers.

According to my invention I construct the cylindrical shell B withinwhich rotates the fan or blower A with a circular wall a, at one part ofwhich is a tongue I) bent outwardly and downwardly at an angle withinthe ad-- jacent end of the air tube D. This tongue equals in width theinternal width of'the adjacent end of the air tube and is preferablysoldered to the oppositeinner side walls thereof and extends angularlyparallel with the angular top wall thereof, constituting the bottom sideof the air duct 0 leading from the blower to the tube. I construct thebase M of the air, tubeD of a flaring piece of tin, parallel at bottomwith the general axis of the tube, fiat at sides and angular at top, itstop rising from the tube D to near the upper part of the blower shell B,soldered at its rear edges to the curved faces of the blower shell andconnected at its smaller forward end to the cylindrical part of the airtube at rear of the reservoir. Thus the base of the tube may be made ofa single sheet of metal, will have the requisite extent of surface atbase for attachment to the blower, will have but one joint to be madetight against leakage, and all the space within its interior and belowthe tongue I) can be utilized as a dust chamberN for the powder fallingback toward the blower. The

air tube D opposite and beyond the reservoir is of the usual tubularconstruction. The gearing J consists of the usual train of gears andpinions mounted on a metal bracket 0 on the side of the blower.

According to my invention I provide a guard P for protection againstinjury to the hands of the operator by the gears. This consists of athin metallic 'strip fixed to the bracket 0 at its rear end, having sideflanges c engaging the edges of this bracket to reinforce it, and thencewidened out and projecting laterally and forwardly over and beyond theseveral gears and pinions, and terminating in a rounded end overlappingthe teeth of the initial or handle gear. According to another feature ofmy inven tion I construct the valve F of a thin perforated plate havingdown turned edges 01 at its sides, which edges seat within and areengaged by vertical grooves e in side plates Q soldered to theperforated bottom plate f of the reservoir, Within the chamber G.- Isolder the valve rod R across the under side of the valve, and pass itthrough apertures h in the front and rear walls of the reservoir, andscrew thread its rear end, providing a thumb nut S engaging this screwthreaded end and a nut bracket T embracing this not on opposite sidesand havingaclosed or covered aperture i in its enlarged rearward end,within which The nut the rear end of the rod R works. guard T ispreferably fixedon the top wall of the base M of the tube D. By rotatingthe nut S the rod and register can be adjusted to open communicationfrom the reservoirto any extent desired. Such adjustment will bemaintained until the screw is further rotated. All danger of injuringthe hands by contact with the screw threaded end of the rod is avoidedby the guard T.

My improved agitator consists of a vertical plate U mounted on anoscillatory cross arm U having a crank end U "engaged by the connectingrod L. On each side of the plate U isfixed an angle plate V, havinghorizontalportion extendinglaterally around the under side of the arm U,and the solder for attaching the plate and arm together is poured on theformer above the angle plates whereby throughout their length they aresecurely soldered to the arm and thereby firm connection between thelatter and the plate is secured. The sides of the plate U are preferablyangular and the bottom edge curved, and to this curved edge are secureda plurality of are shaped cross wings having curved tops and flatbottoms, which sweep back and forth across the bottom of the reservoirabove its perforated bottom plate f.

Another feature of my agitator is the improved cross bars WV. Eachconsists of a U- shaped piece of wire the ends of which are passedthrough holes Z in opposite sides of the plate U, the intermediateportion being then soldered to the plate and the projecting ends turnedup or down near the side walls of the reservoir. There are two of theseU-shaped pieces, the prongs of one projecting at one side and those ofthe otherat the other side. The arms or cross bars thus constructed arevery strong and durable, and suffice to agitate the powder above thewings 70.

My invention comprises an improved distributing spout for the dischargeend of the air tube. The spout has a diverging month which distributesthe discharge powder over a large area and so moderates its speed ofdischarge that it settles upon instead of being blown off the article tobe powdered. In its preferred form the spout consists of the usual neckX fitting over the end of the air tube and of an outwardly flaring ordiverging shell m, terminating in a large free open mouth 77., andpreferably within this is mounted a deflector Y which preferablyconsists of tapering or conical tin piece mounted axially within thespout with its apex toward-the neck X, having a greater relativeinclination or taper than the adjacent shell m, and terminating at itsbase some distancewithin theof relatively reduced. force, and having atends ency to expand both inwardly and outwardly as it progresses beyondthe spout.

It will be seen that my invention provides an improved powder gun and itwill be understood that the invention is not limited to all of thedetails of construction hereinbefore set forth as its preferred form, asthese may be departed from to some extent Without departing from theessential features of the invention.

What I claim is, in powder-distributors, the following-defined novelfeatures and combinations, substantially ashereinbefore set forth,namely:

1. In a powder distributer,a blower, an air tube and a reservoir incombination with the spout for said tube having an enlarged divergingtubular shell, and a deflector mounted centrally within said shell anddeflecting the discharge therethrough outwardly against the outer wallsthereof, whereby the discharge through said spout is in the form of anannular stream.

2. In a powder distributer, a blower, a reservoir and a tube, incombination with a spout for the latter consisting of a diverging shellm, a deflector consisting of a cone 'Y within said shell, and a crossbar 19 supporting said cone.

3. In a powder distributer, a blower, an air tube and a reservoir incombination with an agitator U in said reservoir, a cross-arm'U carryingsaid agitator, and an angle plate'V consisting of a piece of metalhaving a vertical portion fastened against the side of the agitator Ubelow said arm U and having a horizontal portion fastened against theunder side of said arm U, substantially as and for the purposeset forth.

4. In a powder distributer, a blower, an air tube and a reservoir incombination withan agitator U in the reservoir consisting of a vertical.plate having the shape of a segment of a circle and a plurality ofwings Z0 fixed to the lower edge of said plate, substantially as and forthe purpose set forth.

5. In a powder distributer, a blower, an air tube and a reservoir incombination with an agitator within, the latter consisting of a plate U,having arms W consisting of U-shaped IIO T embracing said nut andinclosing the end of said rod, as and for the purpose set forth.

8. In a powder distributer the combination with a rotary blower A,a-casing B inclosing it, a bracket 0 fixed on the side of said casing,gearing J for operating said blower and fixed on the outside of saidbracket, an air tube, and a reservoir, of a gear guard P consisting of astrip of metal stepped outwardly to fit over the wheels of said gearing,fixed at its inner end to the casing of the distributer, free at itsouter end and overlapping the teeth of the outermost wheel of saidgearing for protecting the user from injury by the latter.

9. In a powder distributer, a blower, an air tube and a reservoir, incombination with a cylindrical casing B for the blower, having acircular wall consisting of a curved sheet of metal a having its endbent outwardly and forming an integral tongue b projecting outwardly,and a casing M constituting the base of said air tube having an enlargedend fixed to said casing B, and inclosing said tongue, whereby saidcasing is divided by said tongue into an air passage 0 and a dust pocketN, substantially as and for the purpose set forth.

In witness whereof I have hereunto signed my name in the presence of twosubscribing witnesses.

CLINTON H. LEGGETT.

Witnesses:

GEORGE H. FRASER, THOMAS F. WALLACE.

